1 STCK. Zwei 2-Kanal-Relaismodul 5 V mit Optokoppler für PIC AVR DSP ARM Arduino
2,05 €
D, NO2: 2-way normally open relay interface and relay before floating, pull the short and COM2. A, NO1: After a relay normally open interface and relay before floating, shorted absorbed and COM1. C, NC1: 1-way normally closed relay interface and relay COM1 shorted before and after the pull-vacant.
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